This name is a synonym of Magnolia angatensis Blanco.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 117881) with original publication details: Indian J. Bot. 3: 171 1980.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:941897-1.
This name was in version 1 of The Plant List, record kew-117881, and has not been changed.